Finding the Fourth Proportional to 109,398.53, 164,097.74 and 26,292.53
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Solution
The fourth proportional to 109,398.53, 164,097.74 and 26,292.53 is: 39,438.77
Step by Step Solution
- Step 1: Write the proportion equation
109,398.53 : 164,097.74 = 26,292.53 : x - Step 2: Convert to fraction form
109,398.53/164,097.74 = 26,292.53/x - Step 3: Cross multiply
109,398.53x = 164,097.74 × 26,292.53 - Step 4: Simplify right side
109,398.53x = 4,314,543,799.93 - Step 5: Solve for x
x = 4,314,543,799.93/109,398.53 - Step 6: Final answer
x = 39,438.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.